The clock, not the steam-engine, is the key-machine …

[Pages:22]The clock, not the steam-engine, is the

key-machine of the modern industrial age.

--Lewis Mumford

Perpignan, 1356

Su Sung's Water Clock,

1094

Mechanical Clock:

a definition

Verge with

Pendulum Regulator

(Huygens, 1658)

So who invented the mechanical

clock?

Who wants time?

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